From anywhere in the United States: Sigma rotary screw compressors, clean air treatment and other system component inquiries
877-586-2691 Omega rotary lobe blower inquiries
877-596-7138 Mobilair portable gas/diesel driven compressor inquiries
877-682-6482 Employment Inquiries Only
800-984-9930 Ext 530 For Employment Verifications and other Human Resources Issues
540-898-5500 Prospective vendors and support for our existing distributors
540-898-5500 From outside of the United States: Kaeser Canada
800-477-1416 All other countries, please choose your local subsidiary and contact them directly. | 
