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NAICS Code· 561421

NAICS 561421: Telephone Answering Services

This U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages on behalf of clients or for other establishments of the same enterprise. Cross-References.Show more

NAICS 561421 – Telephone Answering Services encompasses the provision of outsourced call center operations that receive, screen, route, and respond to inbound telephone inquiries on behalf of government entities. These services support mission-critical communication functions such as patient intake, benefit eligibility inquiries, case management triage, and public information hotlines.

15
Active Contracts
$186.6M
Total Obligations (12mo)
116
Awarded Contracts (12mo)
54
Contractors Awarded (12mo)
1
Median Bidders per Award
+1.4%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 561421.

AI Industry Description

NAICS 561421 – Telephone Answering Services encompasses the provision of outsourced call center operations that receive, screen, route, and respond to inbound telephone inquiries on behalf of government entities. These services support mission-critical communication functions such as patient intake,...

NAICS 561421 – Telephone Answering Services encompasses the provision of outsourced call center operations that receive, screen, route, and respond to inbound telephone inquiries on behalf of government entities. These services support mission-critical communication functions such as patient intake, benefit eligibility inquiries, case management triage, and public information hotlines. Typically delivered through secure, compliant voice response platforms with trained personnel, these services ensure continuous availability of customer service channels while maintaining data privacy and regulatory adherence under HIPAA, FISMA, and other federal standards. Within the federal contracting landscape, this NAICS enables agencies to scale call handling capacity without maintaining in-house infrastructure, particularly during peak demand periods or for 24/7 public-facing operations. Top contractors in this sector include INNOVATION AT WORK INC and SIGNIUS COMMUNICATIONS INC, both of which operate as small business concerns with specialized expertise in federal-compliant telephony systems. These firms typically provide end-to-end solutions including workforce management, quality assurance protocols, and secure data integration with agency case management systems. The competitive landscape is characterized by niche providers with proven track records in government compliance, where reliability, security, and scalability are paramount. Primary buyers include the Department of Veterans Affairs, Department of Justice, Peace Corps, and Department of Health and Human Services. These agencies rely on telephone answering services to support veteran benefit helplines, legal aid hotlines, volunteer coordination, and public health outreach programs. Demand is driven by the need for accessible, non-emergency communication channels that reduce administrative burden and improve citizen engagement. The market is moderately concentrated, with opportunities favoring contractors possessing certified compliance frameworks, bilingual staffing capabilities, and integration experience with federal IT environments. Contractors with experience in secure cloud-based telephony platforms and experience serving health or human services missions are well-positioned to compete effectively in this steady-demand sector.

Top Contractors

Companies with the highest total award value under NAICS 561421, ranked by dollars won.

Top Agencies

Federal agencies directing the most contract spending toward NAICS 561421.

Department Of State52 awards$164.5M
Department Of Veterans Affairs22 awards$9.6M
Department Of The Treasury1 award$3.5M
242-NETWORK Contract Office 02 (36C242)1 award$1.9M
246-NETWORK Contracting Office 6 (36C246)1 award$1.2M
244-NETWORK Contract Office 4 (36C244)1 award$1.2M
Department Of Agriculture10 awards$467K
Department Of Justice10 awards$314K
W6QK Acc-Ri-Picatinny1 award$200K

Competition

How many companies historically bid on federal awards in NAICS 561421, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 4,262 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

69%

Share of reported awards with one bidder

10+ Bidder Awards

2%

Share of reported awards with 10+ bidders

Reported Awards

0

92% of 4,632 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
561421This Code
Telephone Answering Services
Usually Single-Bid169%
4,26292% of 4,632
56142NAICS Industry
Usually Single-Bid169%
4,56691% of 4,998
5614Industry Group
Business Support Services
Usually Single-Bid157%
106,34986% of 123,778
561Subsector
Fewer Bidders248%
846,91580% of 1,064,681
56Sector
Administrative and Support and Waste Management and Remediation Services
Fewer Bidders245%
1,120,35477% of 1,459,586

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Telephone Answering Services, by shared sector, subsector, and industry group.

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NAICS 561421 FAQ

Frequently Asked Questions

NAICS code 561421 covers Telephone Answering Services. This U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages on behalf of clients or for other establishments of the same enterprise. Cross-References.

Recently Posted in Telephone Answering Services

NAICS: 561421
Closed
SLED
Comprehensive Telehealth and Care Navigation
Solicitation # SS-26-00368
Hillsborough County intends to award a sole source procurement to MD Ally Services, P.A. for comprehensive telehealth and care navigation services supporting Hillsborough County Fire Rescue and Health Care Plan members. The contract, identified as solicitation SS-26-00368, has an estimated total value of $1,010,352.67 over a five-year period, with annual payments of approximately $202,070. The scope of work includes the implementation of a proprietary platform for Public Safety Telehealth and Mobile Integrated Healthcare, providing virtual-only care, patient diversion from emergency departments, and care coordination to reduce EMS and emergency department utilization. The service also encompasses non-clinical administrative management for physician-owned practices, ensuring all clinical care is delivered by certified emergency medicine physicians or licensed professionals in compliance with state and federal regulations. This procurement is conducted under Section 3-205(2)(b) of the County’s Procurement Policy because MD Ally Services, P.A. provides a proprietary integrated system already in use by the county, making them the exclusive provider capable of expanding these services without operational disruption. The county maintains the right to extend the performance period, adjust the scope of services, and increase the award amount based on evolving requirements. While the procurement is not a request for competitive bids, the county allows for challenges to the sole source award via the EUNA Procurement portal until the close date of August 18, 2026. No Federal Acquisition Regulation clauses are incorporated, as the award is based on local procurement policy and vendor certifications.
Hillsborough County

POSTED

16 days ago

CLOSED

9 days ago
View Details

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