Consumer & prosumer
Home Depot house brand (built by DeWalt/Emerson depending on year). Common on 20–60 gal single-stage recips.
Home Depot budget line, mostly small pancake and hotdog oil-free units for finish nailing.
Lowe's house brand. Ranges from oil-free pancakes to 60-gal two-stage cast-iron units.
Legacy Sears/Emerson-era Craftsman and newer Stanley Black & Decker units. Wide range of vintage recips still in service.
Pancake and hotdog oil-free compressors popular on jobsites for finish and framing nailers.
Portable and wheeled electric units plus gas-powered contractor compressors. Emglo-built on many pancakes.
Trim-carpentry pancake and roll-cage compressors, shared parts with DeWalt/Porter-Cable under the Stanley Black & Decker umbrella.
Home Depot exclusive — corded oil-free and 18V ONE+ battery-powered compressors for light DIY use.
Harbor Freight house brand — budget single-stage recips from pancake to 29-gal vertical.
Ultra-quiet oil-free (and select oil-lubricated) compressors popular in dental, medical, and cabinet shops.
Industrial
Full industrial line: two-stage recips (T30, 2545), rotary screws (UP6, R-Series), and Nirvana VSD.
QT/QR-25 splash-lube recips and QGV/QSI rotary screws. Long service life when maintained on spec.
Two-stage cast-iron recips (R/HR-Series) and Rotorchamp rotary screws. Built by Gardner Denver.
Rotary screw specialist — LS-series lubricated, ES-series variable-speed, and portable tow-behinds.
Rotary screws (GA, GX), oil-free (ZR, ZT), and centrifugals (ZH). Elektronikon controller is standard.
SK/SM/AS/CS rotary screws, SFC variable-speed, and Sigma Control controllers. German-engineered, long service intervals.
Shop and industrial recips (VT/VX two-stage, XC contractor). Long-running staple in small shops.
Masterline cast-iron recips and CA-Series rotary screws. Long-life industrial workhorse in the Midwest.