Archie C Ringgenberg

Archie C. Ringgenberg serves as a Contract Officer for the U.S. Army Corps of Engineers’ W07V Endist St. Louis office under agency code W912P9, where he manages the acquisition of critical civil works and infrastructure services essential to the Department of the Army’s mission. His responsibilities include planning, soliciting, awarding, and administering contracts for engineering, environmental, and construction-related services that support water resource management, navigation system maintenance, and ecological resilience initiatives. He routinely handles complex, multi-year procurements under the Federal Acquisition Regulation, with a focus on technical services requiring specialized geospatial, surveying, and heavy civil engineering expertise. Ringgenberg maintains consistent working relationships with a core group of industry partners, including Fugro USA Land, Inc., Bowman Consulting Group Ltd., Aero-Graphics Inc., NV5 Geospatial, Inc., and Surveying and Mapping, LLC. These contractors provide high-precision geospatial data collection, land surveying, environmental monitoring, and infrastructure assessment services critical to Army civil works projects. His procurement approach emphasizes technical competence, performance-based outcomes, and long-term vendor reliability, fostering collaborative partnerships grounded in compliance and mission alignment. A strong advocate for small business participation, Ringgenberg consistently prioritizes socioeconomic set-asides, with over 63% of his awards designated as Total Small Business Set-Asides under FAR 19.5. He actively leverages 8(a) competed contracts, reflecting a deliberate strategy to cultivate emerging small businesses in engineering and environmental services. His contracting patterns demonstrate a deliberate commitment to expanding opportunities for disadvantaged and underserved firms within the federal construction and technical services sectors. His primary procurement focus lies in NAICS 561730 (Landscaping Services), 213115 (Support Activities for Nonmetallic Minerals Mining), and 237990 (Other Heavy and Civil Engineering Construction), reflecting deep expertise in land management, sediment control, and non-structural civil infrastructure. He regularly acquires services involving surveying, earthwork, erosion control, and geotechnical support, underscoring his technical proficiency in environmental engineering and infrastructure rehabilitation.