Commercial & Industrial Generators. Authorized Dealer.
$0 Sales Tax. Free Freight $499+.
Generac. Kohler. Cummins — with full specs, PDF datasheets and same-day shipping. No sales tax in 45+ states.
$0 Sales Tax
In 45+ states
Free Freight
On orders over $499
Authorized Dealer
Full manufacturer warranty
Net-30 Terms
For verified businesses
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Find the right power solution for your application
Standby Generators
68 products
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28 products
Industrial Generators
19 products
Transfer Switches
43 products
Inverter Generators
7 products
Diesel Generators
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Generator Accessories
Recommended by Our Power Specialists
Hand-selected for commercial and industrial reliability
See How Much You Save
Select your state and order value to see your potential sales tax savings.
Authorized Dealer Network
165+ generators. 10 brands. One source.
Products Include Full Technical Documentation
Spec sheets, installation guides, wiring diagrams - not available from big-box retailers
Spec Sheets
Complete technical specifications for every generator model
Installation Guides
Wiring, siting, and code requirements for professional installation
Wiring Diagrams
Full electrical diagrams for certified installers
Current Manufacturer Rebates
Claim directly from the manufacturer after purchase - we track every active promotion
Generac
PowerPact Program
Save up to $500 on qualifying Generac commercial and standby generators.
Kohler
Power Your World
Save up to $300 on qualifying Kohler standby generators.
Why GeneratorProDirect?
Six reasons commercial buyers choose us over big-box retailers and online marketplaces
$0 Sales Tax in 45+ States
Save 6-10% automatically on your generator purchase. No forms, no hassle.
Authorized Dealer Network
Generac, Kohler, Cummins. Full OEM warranty on every unit.
PDF Technical Documentation
Spec sheets, installation guides and wiring diagrams on every product page.
Free Freight + Same-Day Ship
In-stock units ship same or next business day. Free freight over $499.
Net-30 Trade Accounts
Monthly invoicing, volume pricing, dedicated account manager.
Expert Generator Support
Mon-Fri 8am-6pm CT. Real generator specialists, not call center scripts.
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How It Works
Three steps from selection to power-on
Specify & Search
Filter by brand, fuel type, kW output, and phase. Every product includes full specs and PDF datasheets.
Order or Request a Quote
Add to cart or request a formal quote. Net-30 trade accounts available for qualified commercial buyers.
Tax-Free, Delivered Direct
$0 sales tax in 45+ states. Free freight on orders over $499. Full tracking included.
Frequently Asked Questions
Everything you need to know about ordering from GeneratorProDirect
Generator Insights
Expert guidance for commercial power buyers
Generac vs Kohler Standby Generators: Which Brand Should You Choose?
Neutral technical comparison of Generac and Kohler standby generators — warranty, reliability, kW range, monitoring apps, and pricing.
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Step-by-step kW calculation guide for homes and commercial facilities. Essential circuits, whole-home backup, and commercial application sizing.
Read moreWhere to Buy a Generac Standby Generator Online Without Paying Sales Tax
Learn how to save $400–$3,000+ on Generac standby generators by purchasing from an authorized dealer that doesn't collect sales tax in 45+ states.
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