Erin Ridder

Erin M. Ridder serves as the primary contracting professional within the Cincinnati Acquisition Division of the Environmental Protection Agency, where she manages the acquisition of critical environmental science and operational support services. Her role is central to enabling evidence-based regulatory compliance and environmental monitoring by securing high-precision analytical instrumentation, technical consulting, and laboratory support solutions. Ridder oversees full lifecycle procurement activities—from market research and solicitation development to contract award and administration—ensuring alignment with federal acquisition regulations and the agency’s mission to advance environmental protection through scientific rigor. She maintains consistent working relationships with key contractors including Pegasus Technical Services, Inc., Biospyder Technologies, Inc., Boh Environmental, L.L.C., Omega Painting & Contracting LLC, and Verina Consulting Group LLC. These partnerships reflect a focus on specialized environmental engineering, laboratory services, facility maintenance, and scientific consulting. Ridder’s procurement approach emphasizes technical competency, performance-based outcomes, and long-term vendor reliability, fostering collaborative relationships with vendors capable of delivering complex, mission-critical solutions under stringent regulatory standards. Ridder’s contracting portfolio reflects a 100% no set-aside preference, indicating a strategic focus on full and open competition rather than socioeconomic set-asides. While she does not prioritize 8(a), HUBZone, or SDVOSB programs, her process remains compliant with all federal small business participation requirements, ensuring fair access while prioritizing technical capability and mission readiness above socioeconomic categorization. Her primary NAICS focus areas include Environmental Consulting Services (541620), Research and Development in the Physical and Life Sciences (541715), and Facilities Support Services (561210), with additional emphasis on charter bus services (485510) and certified public accounting (541211). This diverse portfolio underscores her expertise in procuring both scientific and logistical support services essential to EPA’s field operations, laboratory analysis, and compliance infrastructure.