Activity Index · Market Study

Who's working the HVAC pipeline in Pennsylvania?

SymplSignal tracks the live public K-12 & Municipal HVAC pipeline across 41 counties of Pennsylvania — funded, in design, or out to bid. The index below maps which firms own each layer of that work.

Activity Index · as of September 2026
Pennsylvania
41 counties · the territory this index covers
183firms
ranked across the live pipeline
41counties
Pennsylvania
4layers
GC/CM, mechanical, design & engineering

Every public K-12 & Municipal HVAC project in Pennsylvania pulls in a stack of firms — a general contractor to run it, specialty trade and engineering firms to execute the technical work, and architects or consulting engineers to design it. The Activity Index maps who shows up most across each of those layers.

Within a layer, the most active firm is set to 100 and everyone else is indexed to it, so you can read competitive position at a glance — without anyone claiming to know a firm's literal market share. The true share of tracked activity sits beside every ranking, so the math stays visible.

Featured layer

Mechanical / HVAC
This layer covers mechanical subs, MEP engineers, and specialty install & commissioning firms. 29 firms are working the live pipeline, and it stays competitive: McClure Company and Snyder Hoffman Associates, Inc. share the top of the index; 21 more firms split the remaining 57%.
1McClure Company100
2Snyder Hoffman Associates, Inc.100
3JBM Mechanical, Inc.67
4Elliott Lewis67
5Aramark Engineering Solutions67
6BCA Architects, Ltd.67
7Burns Engineering (Burns Group)33
8AJC Mechanical LLC33
+ 21 more firms56.8% of tracked activity

Every layer in this market

Engineering35 firms

HDR leads the index, with EI Associates next; 27 more firms split the remaining 54%.
1HDR100
2EI Associates80
3D'Huy Engineering80
4CHA Consulting, Inc.60
5Arora Engineers40
6Carroll Engineering Corporation40
7Barry Isett & Associates40
8Gilmore & Associates, Inc.40
+ 27 more firms53.8% of tracked activity

GC / CM33 firms

JBC Associates and CHA Consulting, Inc. share the top of the index; 25 more firms split the remaining 57%.
1JBC Associates100
2CHA Consulting, Inc.100
3Arora Engineers100
4Szoke Brothers67
5Envision67
6L&K Construction67
7Uhrig Construction, Inc.67
8Boro Construction67
+ 25 more firms56.8% of tracked activity

Design / Architecture31 firms

KCBA Architects and Marotta/Main Architects share the top of the index; 23 more firms split the remaining 45%.
1KCBA Architects100
2Marotta/Main Architects100
3SchraderGroup Architecture83
4Breslin, Ridyard, Fadero Architects67
5Heckendorn Shiles Architects67
6GKO Architects, LLC50
7Crabtree, Rohrbaugh & Associates50
8Watkins Architect, LTD33
+ 23 more firms45.0% of tracked activity
Below floor

Electrical. only 2 firms on active projects — below the floor to chart honestly. Thin layers are suppressed rather than charted — the density gate that keeps a leaf from shipping thin content. At a busier month or wider grain, a layer like this reaches the floor and renders.

Why the pipeline is deep right now

Three forces are stacking public HVAC work into Pennsylvania at once — which is why so many layers here stay competitive rather than consolidating around one or two names.

1Relief money aged into construction

The federal ESSER program funded a wave of school HVAC and indoor-air-quality upgrades. With the obligation deadlines now passed, that work has moved out of planning and into design and bid.

2State programs underwrite the big jobs

Pennsylvania's PlanCon program reimburses districts for major school construction and HVAC renovation, keeping capital projects initiating year over year.

3Ventilation standards don't relax

EPA's Indoor Air Quality for Schools guidance and ASHRAE 62.1 keep mechanical upgrades on the capital calendar well beyond any single funding cycle.

How to use this

See a market this clearly, and you can play it two ways.

1 · Read the competition

The layer you compete in tells you who you're actually up against — and the firms above you are the ones winning the work you want. The relative view is the point: it shows where a layer is locked up by one or two names, and where it's wide open and share is there to take.

2 · Work the network for an in

The parties you're not competing with — the architect, the construction manager, the owner's rep — are your way onto a project. Signal Relationship Intelligence maps the shortest path from someone you already know to the people deciding the work.

YouA firm you knowLive project

Pair either angle with the projects themselves — owner, stage, and timing — and outreach stops being a guess. That project-level detail, and the paths through your network, are what SymplSignal puts behind every firm on this page.

Methodology

Activity Index Within a layer, the firm on the most active projects is set to 100; every other firm is indexed to it. A relative index of current activity — deliberately not a literal market-share %.
True share Beside each firm is its share of tracked activity in the layer — the raw proportion, shown so the index is always checkable.
Involvement A firm's involvement is the distinct active projects it's currently tied to in the layer, weighted 1.5× for any it's recorded winning.
Current, not all-time We rank the live pipeline — projects funded, in design, or bidding but not yet completed. We don't publish an all-time ranking: Signal's history reaches back only to when it began tracking each market, so a cumulative count would understate long-established firms. Momentum comes from the monthly refresh.
Layers & coverage Roles are grouped: Mechanical/HVAC folds in MEP engineers, plumbing & commissioning; Design = architects + landscape/interior; Engineering = civil, structural & geotechnical. Public bodies (the buyers) and advisory / owner-side firms are excluded from the rankings.
Aggregate only Individual project ties stay inside SymplSignal. This page reports firm activity in aggregate across 41 counties of Pennsylvania, as of September 2026.
Why an index, not a percentage. Signal tracks more activity in some places than others. An index anchored to the local leader is honest under that unevenness and stays ownable; the raw share is published alongside it for anyone who wants to check the math.

The firms are public. The projects behind them are not.

This index ranks firms by public involvement. The owner, stage, bid timing, and full firm roster on every project — before the bid board lights up — lives inside SymplSignal.

See the projects behind these firms →
🔒 Owner, stage, timing & the full firm roster on each project — inside SymplSignal
Aggregate SymplSignal data · Pennsylvania × K-12 & Municipal HVAC · as of September 2026. One leaf of Sympl's growing state × vertical activity index — see full coverage.