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NIGP 918-42: Engineering Consulting Services — State & Local Bids & NAICS Crosswalk (780+ Bids Open)

Search 780+ Bids open state, county & municipal RFPs for NIGP 918-42 (Class 918 — Consulting Services: Engineering Consulting Services). Annual SLED spend: $...

NIGP 918-42 (Class 918): Engineering Consulting Services — Active State & Local SLED Solicitations

State & local (SLED) procurement guide, state portal spend, cooperative vehicles, and NAICS/PSC crosswalk for NIGP 918-42 (Engineering Consulting Services).

NIGP Code 918-42 — Engineering Consulting Services — is a standardized State, Local, and Education (SLED) procurement classification within Class 918 — Consulting Services of the National Institute of Governmental Purchasing (NIGP) Commodity/Services Code taxonomy. Across all 50 states, over 33 state central purchasing offices and thousands of county governments, municipal utilities, public university systems, transit authorities, and K-12 school districts obligate approximately $6.7 Billion annually under NIGP 918-42, generating 780+ Bids active Invitations for Bid (IFBs), Requests for Proposals (RFPs), and informal quote requests each year. The NIGP taxonomy uses a hierarchical structure where the 3-digit Class (918) identifies the broad commodity or service family (Consulting Services) and the 5-digit Class-Item code (918-42) pinpoints the specific service (engineering) deliverable. When state and municipal buyers post solicitations on portals such as Texas ESBD & TxDOT, Florida MFMP, Virginia eVA, and Maryland eMMA, automated bid invitations are dispatched exclusively to vendors who have added NIGP Class 918 and Item 918-42 to their supplier registration profiles. Typical scopes of work under NIGP 918-42 include Owner's Engineer Advisory, Capital Improvement Plan (CIP) Program Management; Traffic Impact Studies, Signal Timing Optimization & Intelligent Transportation Systems (ITS); and Water/Wastewater Master Planning, Hydraulic Modeling & Pavement Management Surveys. In addition to standalone municipal RFPs and sealed low-bid IFBs, a substantial share of NIGP 918-42 purchasing flows through cooperative purchasing agreements and statewide term contracts—including Qualifications-Based Selection (QBS / Mini-Brooks Act). Holding or partnering on a cooperative master contract allows public sector buyers to issue direct purchase orders without repeating a lengthy formal solicitation cycle. Furthermore, most state and municipal procurements under NIGP 918-42 enforce Historically Underutilized Business (HUB), Minority/Women-Owned Business Enterprise (MBE/WBE), Disadvantaged Business Enterprise (DBE), or Service-Disabled Veteran-Owned Business participation goals. For contractors operating across both SLED and federal markets, NIGP 918-42 cross-walks directly to Federal Product and Service Code (PSC) R425 (Support - Professional: Engineering and Technical) and Primary NAICS 541330 (Engineering Services). InTandem's government contracting platform unifies state and local NIGP 918-42 solicitations with federal PSC R425 and NAICS 541330 bids, giving your capture team complete visibility across every jurisdiction.

What State, County & Municipal Buyers Procure Under NIGP 918-42

  • Owner's Engineer Advisory, Capital Improvement Plan (CIP) Program Management
  • Traffic Impact Studies, Signal Timing Optimization & Intelligent Transportation Systems (ITS)
  • Water/Wastewater Master Planning, Hydraulic Modeling & Pavement Management Surveys
  • Facility Condition Assessments (FCA), Energy Audits & Commissioning (Cx)
  • Public Council / Board Presentation Delivery, Stakeholder Workshops & Executive Summaries
  • HUB / MBE / WBE / DBE Subconsultant Utilization & Monthly Invoicing Progress Reports
  • Compliance with State Open Records (FOIA/PIA), Conflict of Interest & Ethics Statutes
  • Grant Compliance Documentation (FEMA, USDOT, EPA, HUD, ARPA/IIJA) & Audit Readiness

Top State Procurement Portals Buying NIGP 918-42

Common SLED Cooperative Purchasing Vehicles

  • Qualifications-Based Selection (QBS / Mini-Brooks Act) (National & Statewide Cooperative Purchasing Agreements): Pre-competed master agreements allowing cities, counties, K-12 school districts, and state agencies to issue direct purchase orders under NIGP 918-42 without running a 90-day formal RFP.
  • Formal Municipal & State IFBs / RFPs (NIGP 918-42) (Sealed Competitive Bidding & Best-Value Proposals): Solicitations published on state portals (Texas ESBD & TxDOT, Florida MFMP) where vendors registered under NIGP Class 918 and Item 918-42 receive automated bid notifications.
  • Multi-Year Annual Term & On-Call IDIQ Contracts (City, County, ISD & Transit Authority Blanket Orders): 1-to-5 year Indefinite Quantity or Job Order Contracts (JOC) establishing fixed unit pricing or hourly rates for recurring engineering consulting services requirements.

NIGP 918-42 Frequently Asked Questions

What is NIGP Code 918-42?

NIGP 918-42 (Engineering Consulting Services) is a 5-digit Class-Item commodity/service code under Class 918 — Consulting Services. State agencies, cities, counties, school districts, and public universities use NIGP 918-42 to classify procurements and notify registered vendors for Owner's Engineer Advisory, Capital Improvement Plan (CIP) Program Management and Traffic Impact Studies, Signal Timing Optimization & Intelligent Transportation Systems (ITS).

How much do state and local governments spend under NIGP 918-42?

State, municipal, county, and educational (SLED) agencies obligate an estimated $6.7 Billion annually under NIGP 918-42, with approximately 780+ Bids active solicitations posted across state portals such as Texas ESBD & TxDOT and Florida MFMP.

What are the Federal NAICS and PSC equivalents for NIGP 918-42?

NIGP 918-42 maps directly to Federal Primary NAICS 541330 (Engineering Services) and Federal Product and Service Code (PSC) R425 (Support - Professional: Engineering and Technical).

Which cooperative purchasing contracts cover NIGP 918-42?

Public agencies frequently procure Engineering Consulting Services under NIGP 918-42 through cooperative and statewide vehicles including Qualifications-Based Selection (QBS / Mini-Brooks Act), as well as municipal annual term contracts.

Should I register for NIGP 918-42 or the full NIGP Class 918?

You should register for both NIGP 918-42 (Engineering Consulting Services) and the parent 3-digit NIGP Class 918 (Consulting Services), including 918-00 and related codes like 918-75, so you never miss a solicitation when a local buyer codes a bid broadly.

Related NIGP Commodity/Services Codes

Browse All 136 NIGP Commodity Codes | NAICS 541330 Guide | PSC R425 Guide | 50-State Procurement Portals