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TETRA TECH, INC.

Parent143 subsidiariesUEI: LMRMKLLL3LG5CAGE: 078E8

TETRA TECH, INC. is a federal contractor, registered under UEI LMRMKLLL3LG5 and CAGE code 078E8. It has been awarded $2,442,189,800 in federal contracts. Primary work spans Engineering Services, Remediation Services, and Environmental Consulting Services. Top awarding agencies include Department Of Defense, Department Of State, and Agency For International Development.

Contact Information

Registration and classification details

Phone+1 (555) 000-0000

Websitehttp://www.tetratech.com/

Address123 Main St, City, ST 12345

Registration

UEI Code

LMRMKLLL3LG5

CAGE Code

078E8

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit Organization

NAICS Codes

237990Other Heavy and Civil Engineering Construction

334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

541310Architectural Services

541320Landscape Architectural Services

+18 more

Subsidiaries

143 companies roll up into TETRA TECH, INC., sized by each one's own awards

Award distribution

$25.7B

Top 8 hold 58%

135 others$10.9B Management Systems International, INC.$5.9B ARD, INC.$2.8B Advanced Management Technology, INC.$1.5B LS Technologies LLC$1.3B SEGUE Technologies, INC$929.6M AMYX INC$921.4M TETRA Tech ES, INC.$786.9M TETRA Tech EC, INC.$709.8M

1Management Systems International, INC.UEI M5NWCBJCKST7$5.9B22.8%2ARD, INC.UEI VHLHREH8Y7R4$2.8B10.9%3Advanced Management Technology, INC.UEI DTPTGJLL2SX5$1.5B5.8%4LS Technologies LLCUEI K97DGB4NAKJ5$1.3B5.2%5SEGUE Technologies, INCUEI TQ4NYKMS5WW6$929.6M3.6%6AMYX INCUEI HBZPLZ5PJH12$921.4M3.6%7TETRA Tech ES, INC.UEI UJN1EN56WZ66$786.9M3.1%8TETRA Tech EC, INC.UEI Z2JDF94BLHP6$709.8M2.8%

Show 42 more

9PRO-Telligent, LLCUEI CB3GK7MZDYQ9$685.0M2.7%10TETRA Tech, INC.UEI FL1UPMZCC5S8$667.7M2.6%11INDUS CorporationUEI VRL4VU9TYLM4$663.1M2.6%12Global Tech INC.UEI HWMKR49GR573$617.9M2.4%13TETRA Tech Tesoro, INC.UEI NA9GSPVPK8U3$567.6M2.2%14Bluewater Federal Solutions, INC.UEI C18KUFQ2L6L4$538.1M2.1%15TETRA Tech EMC, INC.UEI K6LKK4M4BS45$532.4M2.1%16TETRA Tech INCUEI HVDMNK1MYQN3$506.5M2.0%17TETRA Tech, INC.UEI NAYBB3MLDS46$480.1M1.9%18TETRA Tech EC, INC.UEI R4FTW77GLKM6$467.6M1.8%19TETRA Tech, INC.UEI X38LAAB5HB64$418.1M1.6%20TETRA Tech INCUEI NXSSKEP8JXL7$292.1M1.1%21TETRA Tech-Maytag Aircraft Corporation Joint VentureUEI WDR1BGGRW9T7$265.0M1.0%22TETRA Tech INCUEI HW1GWDNW1F21$254.8M1.0%23TETRA Tech, INC.UEI L7WWYE3U9MG3$253.7M1.0%24The Kaizen Company, LLCUEI MC45KD32KMC7$229.5M0.9%25TETRA Tech, INC.UEI E3QKBMJ7H9K7$229.3M0.9%26TETRA Tech, INC.UEI J8CNBANBZ6U8$222.2M0.9%27TETRA Tech, INC.UEI TY6TKGLN6S95$194.4M0.8%28TETRA Tech, INC.UEI DSBKJQNLK7N5$189.0M0.7%29TETRA Tech/MEAD and Hunt Joint VentureUEI ZBN6UNKMKTP6$133.9M0.5%

30TETRA Tech EC, INC.UEI MXE8QKZ96326$117.2M0.5%31DPK ConsultingUEI Z8XJJD5MTNX6$110.9M0.4%32TETRA Tech EC, INC.UEI C48BDZT15AM8$108.7M0.4%33TETRA Tech EC, INC.UEI JL46FH5URCE9$108.2M0.4%34TETRA Tech, INC.UEI JEG3QJSDMYG7$105.3M0.4%35TETRA Tech, INC.UEI HHDHBZL5PLM5$99.6M0.4%36TETRA Tech INCUEI FJBUDEMPKSZ3$99.2M0.4%37TETRA Tech, INC.UEI J8CVJQCB1PJ3$95.7M0.4%38TETRA Tech, INC.UEI GMW1WKSRWQW3$92.1M0.4%39TETRA Tech EC, INC.UEI QNM8XTKEHD53$89.4M0.3%40TETRA Tech NUS, INC.UEI GNGGUHNDMQ57$87.9M0.3%41TETRA Tech, INC.UEI W4NLBJHRP7H3$85.4M0.3%42INDUS Enterprise Solutions INC.UEI RXAKRD5E8NX5$79.2M0.3%43TETRA Tech/MASON & Hanger Joint VentureUEI KMGQX22HTJJ7$60.4M0.2%44TETRA Tech EC, INC.UEI NYPKMDL7G2C8$53.1M0.2%45TETRA Tech INCUEI JBJTPCXMTYH5$52.8M0.2%46TETRA Tech INCUEI FN3KJ67ZG226$50.0M0.2%47WJA PLLCUEI DJFNJP7K7P17$46.0M0.2%48TETRA Tech/Pond & CompanyUEI MCNYGEEPKJT8$45.0M0.2%49TETRA Tech INCUEI WL4VMSDRCLR5$44.8M0.2%50TETRA Tech EC, INC.UEI XM5ZQLWR1NV7$38.1M0.1%

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Open opportunities in TETRA TECH, INC.'s top NAICS codes and agencies

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Alta, Riverview, and Kings Canyon High Well Drilling Phase is a solicitation issued for Project No. 1000316-001C on behalf of the Kings Canyon Unified School District. The project involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. This opportunity is categorized under NAICS code 237990 and is managed through Anthony J. Prieto Water Well Drilling, Inc. This solicitation is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The posting date is October 24, 2026, with a response deadline set for November 10, 2026. Interested parties may coordinate through the primary point of contact, Jennah Castagna.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

about 13 hours ago

DEADLINE

Terrace Drive Sewer System Improvements, Chimney Rock

Solicitation # terrace-drive-sewer-system-improvements-chimney-rock

This solicitation, issued by Payne, McGinn and Cummins, Inc., seeks contractors for a mill and overlay project covering 5,200 square yards of asphalt. The work is part of the Terrace Drive Sewer System Improvements located in Chimney Rock, North Carolina. The opportunity is set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of December 1, 2026. Primary inquiries regarding this project should be directed to Robert M. McGinn, Jr.

Payne, McGinn and Cummins, Inc.

POSTED

about 13 hours ago

DEADLINE

in about 1 month

CONSTRUCTION ON STATE HIGHWAY IN LOS ANGELES COUNTY IN SANTA CLARITA BETWEEN PLACERITA CANYON ROAD AND SAND CANYON ROAD

Solicitation # construction-state-highway-los-angeles-county-santa-clarita-between-placerita-canyon-road-sand

Caltrans is seeking bids for a highway construction project located in Santa Clarita, Los Angeles County, specifically spanning the area between Placerita Canyon Road and Sand Canyon Road. Identified by contract number 07-375204, this solicitation falls under NAICS code 237310 for highway, street, and bridge construction. The opportunity is designated as a set-aside for small businesses. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this project is managed through Bob Swanek at Chumo Construction.

Chumo Construction

POSTED

about 13 hours ago

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-0

The Recharge Master Plan Update Basin Improvements Project, managed by Granite Construction Company, involves the construction of two drop inlet diversion structures within the San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor across the full 25-foot width, installing steel debris grates, and fitting wall-mounted steel gates on the east sides. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. The project also encompasses the delivery of complete electrical, instrumentation, and SCADA integration to manage gate actuation. Programming for these systems is strictly limited to approved integrators, specifically Technical Systems, Inc. or E Technologies Group. This solicitation is categorized under NAICS code 237990 and is open for responses until November 5, 2026.

Granite Construction Company

POSTED

about 13 hours ago

DEADLINE

North Hollywood Central Remediation Well Collector Line; IFB No. 8003R1

Solicitation # 8003R1

Kiewit Infrastructure West Co. is soliciting sub-quotes for the North Hollywood Central Remediation Well Collector Line project, an infrastructure initiative for the City of Los Angeles Department of Water and Power located in California. The comprehensive scope of work includes site preparation, pipeline and utility installation, surface work, and environmental support. Specific requirements encompass land surveying, site photography, tunneling, boring, jacking, micro tunneling, asphalt paving, landscaping, and the installation of traffic signs, signals, and lighting. Required materials include aggregate, geosynthetics, ready mix, precast concrete, and manhole materials, with a strong emphasis on compliance with Storm Water Pollution Prevention (SWPPP) standards. This solicitation is open to qualified Small Businesses, including SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. To be considered responsive, bidders must possess a valid California Contractor's license and provide acceptable insurance. Furthermore, responsible subcontractors and material contractors are required to provide bonding for 100 percent of their contract value, for which Kiewit will reimburse the premiums. The deadline for responses is November 18, 2025, with invitations to bid and instructions managed through the Building Connected system. Primary coordination is handled by Lead Estimator Ken Johnston.

Kiewit Infrastructure West Co.

POSTED

about 13 hours ago

DEADLINE

Theatre Mold Remediation Scope of Work

Solicitation # AT25-0006

Solicitation AT25-0006 is a subcontracting opportunity with Adams and Associates, Inc. for comprehensive mold remediation at Theatre Building 1086 of the Atterbury Job Corps Center in Edinburgh, Indiana. The project was necessitated by a sprinkler system failure and requires the remediation of the entire building, including the cleaning or replacement of damaged theater seating cushions. All work must be performed in accordance with ANSI/IICRC S520 standards, EPA guidelines, OSHA regulations, and the Micro Air Inc. Mold Testing report dated April 11, 2024. Key technical requirements include the provision of a Certified Industrial Hygienist for verification and final clearance, the implementation of a detailed remediation plan featuring HEPA filtration and negative air pressure, and the achievement of interior humidity levels of 50 percent or less. The contract is a single lump sum award based on best value, with evaluation weights assigned to price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Bidders must be licensed contractors in the state of Indiana and provide a 90-day bid guarantee, a detailed cost breakdown, and certification of compliance with Davis Bacon Act wage rates. Performance must begin within 14 days of the Notice to Proceed, with a sequenced construction schedule due within 10 days. Administrative requirements include net 30 payment terms, proof of specific automobile and workers compensation insurance naming Adams and Associates, Inc. as an additional insured, and the submission of certified payroll records and a completed SF 1413 prior to final payment.

Atterbury Job Corps Center

POSTED

about 13 hours ago

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors.

Hydro Resources - Mid Continent, Inc.

POSTED

about 13 hours ago

DEADLINE

ND NP THRO 204(1) Buck Hill Road - Solicitation #6982AF25B000004

Solicitation # nd-np-thro-2041-buck-hill-road-solicitation-6982af25b000004

Steve Manning Construction, Inc. is seeking quotes from qualified subcontractors and suppliers for the Buck Hill Road project in North Dakota under solicitation number 6982AF25B000004. This opportunity is open to various small business designations, including SB, SDB, HUBZone, WOSB, VOSB, and SDVOSB firms. The scope of work is extensive, covering site preparation, demolition, and infrastructure installation. Key requirements include survey and staking, soil erosion control, the removal of existing curbs, gutters, guardrails, and drainage structures, as well as the installation of asphalt concrete pavement, pipe culverts, and concrete sidewalks. Additional project needs include specialized services such as paleontologist monitoring, hydraulic seeding, and the installation of pavement markings and traffic control systems. The contract also encompasses the provision of site amenities like trash receptacles and benches. Interested parties must submit their responses by November 3, 2026. All inquiries regarding this solicitation should be directed to the primary point of contact, Bill Spoon.

Steve Manning Construction Inc.

POSTED

about 13 hours ago

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

about 13 hours ago

DEADLINE

BRIDGES ON DELICATE ARCH ROAD - UT NP ARCH 100(2)

Solicitation # bridges-delicate-arch-road-ut-np-arch-1002

This solicitation, issued by WW Clyde, concerns a comprehensive infrastructure project located in Utah focused on the bridges on Delicate Arch Road. The scope of work encompasses bridge construction, drainage installation, pavement work, roadway realignment, rehabilitation and widening, asphalt surfacing, and various safety improvements. The primary project requirements under Schedule A cover 0.99 miles of roadway and two parking lots, with additional optional components including Option X for 0.35 miles and Option Y for one parking lot. The opportunity is set aside for small businesses, including certified Service-Disabled Veteran Owned, Women-Owned, HUBZone, and Small Disadvantaged Businesses. Interested parties must submit their responses by November 6, 2026. The project falls under NAICS code 237310 for highway, street, and bridge construction. Primary coordination for this solicitation is managed by Chanel Hope.

POSTED

about 13 hours ago

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County, California. Identified by Project Number 13891 and Event ID 0000040533, this solicitation focuses on site compliance and infrastructure enhancements under NAICS code 237990. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

about 13 hours ago

DEADLINE

Pure Water Southern California Direct Potable Reuse Testing Facility

Solicitation # pure-water-southern-california-direct-potable-reuse-testing-facility

Kiewit Infrastructure West Co. is soliciting proposals for the Pure Water Southern California Direct Potable Reuse Testing Facility project located in California. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, falling under NAICS code 541330. The solicitation was posted on October 24, 2026, with a response deadline of November 3, 2026. Interested parties should coordinate with the primary point of contact, Sepideh Aria, for further details regarding the submission process and project requirements.

Kiewit Infrastructure West Co.

POSTED

about 13 hours ago

DEADLINE

DETROIT JCC-2026-40 BACKFLOW PREVENTER TESTING, MAINTENANCE & INSPECTION

Solicitation # detroit-jcc-2026-40-backflow-preventer-testing-maintenance-inspection

Serrato Corporation is seeking licensed contractors for the Detroit JCC-2026-40 project located in Michigan. The scope of work requires the repositioning of the backflow preventer in Recreation building 0004, as well as the provision of comprehensive inspection services for all other backflow preventers across the site. This solicitation falls under NAICS code 541990, with additional relevant codes including 541380 and 238220. The opportunity is set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of May 31, 2027. Primary coordination for this project is managed by Toni Robinson.

Serrato Corporation

POSTED

about 13 hours ago

DEADLINE

RFI 243824 Safety and Compliance Training Courses Provider

Solicitation # RFI 243824

Pacific Gas and Electric Company is issuing Request for Information RFI 243824 to identify and assess qualified training providers capable of delivering safety and compliance training across its California service territory. The primary objective is to evaluate the instructional capacity, geographic coverage, and service offerings of organizations that can support workforce development through instructor-led, hands-on, and refresher training. This opportunity is open to various small business designations, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses, under NAICS code 611430. The scope of work encompasses several critical training areas, including general safety courses such as OSHA 10-Hour and 30-Hour Construction Safety, HAZWOPER, Confined Space Entry, and Flash Suit Training. Additionally, providers may be required to deliver Fall Protection training for Authorized and Competent Persons, as well as PG&E-specific training for Cargo Securement and Rigging for Material Handlers. All selected suppliers must adhere to the PG&E Supplier Code of Conduct. Interested parties must register their interest by October 14, 2026, with formal responses due by November 4, 2026, at 12:00 PM PT.

Pacific Gas and Electric Company

POSTED

about 13 hours ago

DEADLINE

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified Disadvantaged Business Enterprise and Small Business Enterprise sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency in San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. Relevant expertise should align with NAICS codes for administrative management, engineering services, computer systems design, and public relations. Interested parties must submit their responses by November 17, 2026. The primary point of contact for this solicitation is Liz Jordan-Wettstein. This opportunity is specifically targeted toward DBE-certified firms capable of supporting critical infrastructure resilience and technical documentation efforts within the state of California.

Aanko Technologies Inc.

POSTED

about 13 hours ago

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, focusing on specialized trade contractors for rail infrastructure improvements. Interested parties have until September 30, 2027, to submit their responses. Further details and bidding processes are managed through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

about 13 hours ago

DEADLINE

Canine Medical Evaluation and Pre-Screening ServicesThe Canine Medical Evaluation and Pre-Screening Services subcontract involves providing specialized medical screenings and health certifications for working dogs under Department of War contracts. Licensed veterinary practitioners are required to conduct comprehensive health evaluations using diagnostic equipment to detect congenital conditions, heritable disorders, and latent medical defects. All services must ensure strict compliance with the health standards established by the 341st Training Squadron, culminating in the delivery of formal health certifications and medical clearance reports. This opportunity is issued by the Department of Defense under the agency FA8053 773 Ess Pkj Mscc and is categorized under NAICS code 541990. The solicitation was posted on October 24, 2026, with a response deadline of November 2, 2026.

FA8053 773 Ess Pkj Mscc

POSTED

about 17 hours ago

DEADLINE

Role-Based Software Training and DocumentationThis subcontract for Role-Based Software Training and Documentation focuses on providing comprehensive staff training and user documentation for prime contractors working on Hidalgo County Community Service Agency projects. The scope of work includes the delivery of role-based training tailored for administrators and case managers, the implementation of train-the-trainer programs, and the creation of electronic user guides available in both English and Spanish. Training delivery is expected to be facilitated through a Learning Management System or dedicated training portals. The primary deliverables for this engagement are a fully trained staff and a complete library of administrator and user documentation. This opportunity falls under NAICS code 611430 and is associated with the Community Service Agency in Texas. Interested parties should note the response deadline of November 6, 2026.

Community Service Agency

POSTED

about 18 hours ago

DEADLINE