234 active engineering services bids, RFPs, and upcoming projects from 58 government bodies in South Dakota.
Vendors selling engineering services services to South Dakota government use Vendor Radar to see what's coming. We track 234 active engineering services signals across cities, counties, school districts, and special districts — surfacing contract expirations, budget approvals, and anticipated RFPs so you can prepare your response before formal solicitations go live.
Budget Allocation · Construction · $440,000
South Dakota Aeronautics Commission has included $440,000 for an aeronautical survey, runway reconstruction, and master plan update at Faulkton Mun...
South Dakota Aeronautics Commission · Meeting: Jan 1, 2027
Rfp Anticipated · Water & Sewer
604(b) Water Sampling Contract: The State is currently preparing the contract for 604(b) funds. Motion by Director Cerny, seconded by Director L. B...
James River Water Development District · Beadle · Meeting: Dec 31, 2026
Contract Expiring · Transportation
South Dakota Railroad Board and Authority has a 10-year lease agreement for the Napa Platte Line with Sunflour Railroad, including an option to ext...
South Dakota Railroad Board and Authority · Meeting: Dec 1, 2026
Budget Allocation · Road & Infrastructure · $23 billion
South Dakota Transportation Commission identified a $23 billion backlog in transportation asset replacement, indicating sustained demand for paveme...
South Dakota Transportation Commission · Meeting: Nov 1, 2026
Rfp Anticipated · Construction
South Dakota Transportation Commission is developing its State Transportation Improvement Program (STIP), which will lead to engineering and constr...
South Dakota Transportation Commission · Meeting: Nov 1, 2026
Rfp Anticipated · Road & Infrastructure
South Dakota Railroad Board and Authority documents indicate future procurement for public highway crossing construction, reconstruction, signing, ...
South Dakota Railroad Board and Authority · Meeting: Nov 1, 2026
Budget Allocation · Road & Infrastructure · $84,000,000
South Dakota Railroad Board and Authority is overseeing an $84 million project to replace 88 miles of rail and upgrade 121 bridges, targeting compl...
South Dakota Railroad Board and Authority · Meeting: Nov 1, 2026
Budget Allocation · Road & Infrastructure · $3,000,000.00
South Dakota Transportation Commission approved increasing the State Infrastructure Bank loan to the City of Lemmon to $3,000,000 for the Lemmon St...
South Dakota Transportation Commission · Meeting: Oct 1, 2026
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