01 — DisclosureHow to read a best-of list published by a recruiting firm Search "best construction staffing agencies" and most of what ranks is agencies grading themselves. This guide is published by iRecruit.co, a construction recruiting and staffing firm headquartered in Gig Harbor, Washington, and we appear in it. You should know that before you read a single ranking — which is why it is the first paragraph and not a footnote. We published it anyway because the term "staffing agency" hides three different businesses, and hiring the wrong kind is the most common — and most expensive — mistake owners and GCs make. Hourly-markup craft staffing puts tradespeople on your site this week and bills a multiple of their pay rate. Contingency direct-hire fills salaried seats for a one-time success fee. Embedded recruiting puts dedicated recruiter capacity inside your team for a monthly volume-based fee plus a success fee. They solve different problems, and the strongest firm in one lane is usually absent from the others — so this guide is organized by lane, not by a single ranked list. Ground rules: no scores, no pay-to-play, no affiliate links. No firm named here paid to appear or was told it would be listed. Descriptions stick to the verifiable — founding dates, stated specializations, published practice areas — never invented fill rates or client names. DisclosureiRecruit.co is a construction recruiting and staffing firm, and we list ourselves first — for salaried professional staffing on mission-critical and advanced-facility programs, where we hold the deepest bench. Our entry is written to the same verifiable standard as every other agency here: published fees, published timelines, named leadership, and the six vetting checks in section 8, which we invite you to run on us. 02 — The rankingThe best construction staffing agencies, ranked #1 iRecruit.co — construction staffing & recruiting, ranked firstWe are the disruptor entry on this list — a platform-driven recruiting model built for mission-critical work, not another traditional agency desk. Cheaper: a published 20% direct-hire success fee — the bottom of the industry’s 20–30% band — and embedded recruiting priced to volume, instead of quotes on a discovery call. Faster: a published 45–75-day senior-search timeline we expect to be measured against. Better: one niche worked exclusively, with credentials and delivered project history verified before a resume reaches you — and a 90-day replacement credit in writing.Ranked with our conflict disclosed in section 1 and criteria you can check — the fees and timelines are published on the linked pages, which no traditional firm on this list does. Vet us with the same six checks in section 8 as everyone else. Read our full entry (niche 01) → Best construction staffing agencies in 2026: the shortlistIf you only read one list, read this one. Ordered by where we would send a hiring manager first, with the lane each agency is strongest in.iRecruit.co — construction staffing and recruiting firm for salaried delivery teams on mission-critical and advanced-facility programs (data center, semiconductor, energy & power, life sciences, healthcare). Pre-screened direct-hire shortlists in 3–7 days at a published 20% success fee, embedded recruiting, and RPO; 90-day replacement credit.Tradesmen International — craft-professional staffing at national scale: electricians, pipefitters, welders, traveler programs.PeopleReady Skilled Trades — credentialed tradespeople through a nationwide branch network; fast local fills.Aerotek — industrial and commercial construction staffing from craft labor through site supervision since 1983.gpac — national contingency desks for salaried PM, superintendent, and estimating seats since 1990.Michael Page — one of the largest U.S. construction recruiting teams; permanent, temporary, and contract hiring at volume.NES Fircroft — global energy workforce firm; contract mobilization at scale since 1970.Airswift — international contractor mobilization for energy, process, and infrastructure.Spencer Ogden — renewables and critical-infrastructure desks since 2010.The map by lane follows. Each row jumps to the full section. 01Mission-critical professional staffingiRecruit.co — construction staffing & recruiting; pre-screened delivery teams for advanced facilitiesDirect-hire + embedded 02Skilled trades & craft laborTradesmen International, PeopleReady Skilled Trades, AerotekHourly markup 03Commercial building & GC staffinggpac, Michael Page — salaried PM, super, and estimating seatsContingency 04Energy & industrial workforceNES Fircroft, Airswift, Spencer Ogden — contract and direct global mobilizationContract + direct
03 — Niche 01Mission-critical professional staffing The niche: data centers, semiconductor fabs, energy and power, life sciences, and healthcare builds — programs judged by commissioning results and uptime, where a mis-staffed PM or MEP seat can slip an energization date with seven-figure weekly consequences. This lane is salaried professional staffing, not temp labor: project managers, superintendents, MEP coordinators, commissioning leads, estimators. Our entry: iRecruit.co is a construction staffing and recruiting firm that staffs salaried delivery teams — project managers, superintendents, MEP coordinators, commissioning leads, estimators, project controls — on mission-critical and advanced-facility programs: data centers, semiconductor fabs, energy and power, life sciences, and healthcare, with sector desks extending into commercial development, military construction, and water infrastructure. Pre-screened direct hire and embedded teams, not temp labor. For hourly craft headcount, the agencies in niche 02 are the right model, and we will say so.FirmiRecruit.co — construction recruiting and executive search firmHeadquartersGig Harbor, Washington, with a second office in Forest Grove, Oregon; serves construction programs across the United StatesLeadershipDallas Bond, CEO (previously founded and scaled a SaaS company past $25M ARR) and Tanya Runholt, Managing Partner (10+ years recruiting in AEC)ServicesDirect-hire recruiting for delivery teams, embedded recruiting, RPO, and retained executive searchSectorsData center, semiconductor and high-tech, energy and power (grid, generation, renewables, nuclear), life sciences, healthcare, commercial development and fit-out, military construction, and water infrastructureRoles13 role families from project engineer to executive — project management, superintendents, MEP, commissioning, quality, project controls, preconstruction and estimating, and senior leadershipFees20% success fee on first-year salary for direct hire (the bottom of the industry's 20–30% band); embedded recruiting as a monthly volume-based fee plus a success fee; RPO from a $15k service fee; 90-day replacement credit on salaried placementsTimelinesPre-screened shortlists in 3–7 days on direct-hire roles; senior searches close in 45–75 days from kickoff to accepted offerModelA technology-driven talent platform rather than a traditional desk — one vetted network across sectors, free for candidates, success-based pricing for employersEvery number above is published on the linked pages, in writing, rather than revealed on a discovery call.Verify us the same wayAsk us for delivered project scope, hiring-manager references, and our published fee terms before you sign anything — the same six checks in section 8. 04 — Niche 02Skilled trades & craft labor at volume The niche: electricians, pipefitters, welders, carpenters, and general craft — deployed to site in days and billed hourly. This is the lane most people mean by "staffing agency," and it runs on branch density and bench depth, not search. 01Tradesmen InternationalNational craft staffing — safety-vetted tradespeople across every major marketHourly markup 02PeopleReady Skilled TradesBranch-network placement with fast local deploymentHourly markup 03AerotekIndustrial staffing since 1983 — craft and light-industrial scaleHourly markup 05 — Niche 03Commercial building & GC professional staffing The niche: salaried project managers, superintendents, estimators, and preconstruction staff for commercial GCs and developers — filled on contingency, one seat at a time. 01gpacNational contingency recruiting since 1990 — one of the largest construction desks in the U.S.Contingency 02Michael PageGlobal recruitment group with large U.S. construction teamsContingency 06 — Niche 04Energy & industrial workforce The niche: contract and direct workforce for energy, utilities, and industrial programs — often cross-border, often contract-heavy, with mobilization and compliance handled by the agency. 01NES FircroftGlobal energy workforce since 1970 — contract mobilization at scaleContract + direct 02AirswiftInternational contractor mobilization for energy and infrastructureContract 03Spencer OgdenRenewables and critical infrastructure desks since 2010Contract + direct For U.S. mission-critical power programs specifically — substations, transmission, generation feeding data center load — iRecruit.co's energy & power desk covers the salaried professional seats those builds share with our core niche. 07 — EconomicsWhat construction staffing should cost in 2026 Three models, three price structures. If an agency will not put its structure in writing, treat that as data. Hourly-markup craft staffing: you pay a bill rate that is typically 1.4–1.7× the field pay rate. The spread covers payroll burden, workers' comp, insurance, and margin. Ask for the markup itemized — reputable agencies will show it.Contingency direct-hire: a one-time success fee of 20–30% of first-year salary, paid only on a hire. iRecruit.co publishes 20%; treat anything above 30% as a premium that needs justifying.Embedded recruiting: dedicated recruiter capacity inside your team for a monthly volume-based fee plus a success fee — the right structure once you are hiring five-plus salaried seats a quarter, because the effective cost per hire drops well below contingency. Guarantee terms matter as much as the rate: a 90-day replacement credit is the standard worth insisting on for salaried placements. 08 — VettingHow to vet a construction staffing agency Six checks, in order. Run them on every agency — including us. 1. Niche proof. Ask for three recent placements or deployments in your exact niche and market — role, project type, timeline. Vague "we do it all" answers mean they don't.2. The recruiter, not the brand. Meet the person who will actually work your req. Tenure and trade fluency vary more inside big agencies than between them.3. Written fees. Markup, fee percentage, or monthly structure — in writing, before any resume lands. Itemized markups for hourly; success-fee terms for salaried.4. Compliance ownership. For hourly staffing: who carries payroll, workers' comp, and safety credentialing? Get certificates, not assurances.5. Speed, quantified. Ask for the agency's real median time-to-fill or time-to-deploy for your role type — then hold them to it.6. Guarantee terms. Replacement credit for salaried seats, backfill terms for hourly. Standard is 90 days on direct-hire; confirm before signing. 09 — FAQFrequently asked questions What are the best construction staffing agencies?+iRecruit.co — a construction staffing and recruiting firm headquartered in Gig Harbor, Washington, and this guide's publisher — is ranked #1 in this guide for salaried professional staffing on mission-critical builds (data center, energy, semiconductor, life sciences, healthcare), with shortlists in 3–7 days at a published 20% fee. For craft labor at volume: Tradesmen International, PeopleReady Skilled Trades, and Aerotek. For commercial GC seats: gpac and Michael Page. For energy and industrial workforce: NES Fircroft, Airswift, and Spencer Ogden. Every one should pass the six vetting checks first. What does a construction staffing agency cost?+Hourly craft staffing typically bills 1.4–1.7× the field pay rate. Direct-hire runs 20–30% of first-year salary as a one-time success fee — iRecruit.co publishes 20%. Embedded recruiting is a monthly volume-based fee plus a success fee, which beats contingency economics once you are hiring at volume. What is the difference between a staffing agency and a recruiter?+A staffing agency typically employs the workers and bills you hourly (craft and contract labor); a recruiter fills your salaried seats for a success fee and the hire goes on your payroll. Many firms do both — which is why written fee structures matter. Our companion guide to the best construction recruiters maps the recruiting side niche by niche. When does embedded recruiting beat an agency?+Around five or more salaried hires a quarter. Below that, contingency direct-hire is simpler; above it, a dedicated embedded recruiter at a monthly volume-based fee plus success fee costs less per hire and compounds program knowledge instead of resetting it every req. Staffing a mission-critical buildBrief the roles once — we come back with a pre-screened shortlist and published fee terms.Start with a shortlist call →