About

AllTech Air Conditioning LLC is a veteran-owned HVAC and plumbing company based in Central and Southwest Oklahoma, recognized for its operational excellence, rapid expansion, and commitment to people. Founded by Marine Corps veteran Dan Addi and tradesman-turned-CEO James BigMountain, AllTech has grown through organic success and strategic acquisitions, earning national recognition on the 2025 Inc. 5000 list. The company prides itself on delivering exceptional service, fostering a strong team culture, and investing in the next generation of skilled trades professionals. For more information, visit www.alltechairconditioning.com.