Headquarters 

3145 Prairie St. SW, Suite 101

Grandville, MI 49418

Toll Free:           (888) TRIVALENT

Main:                (616) 222-9200

Support:           (616) 222-9400

Fax:                  (616) 222-9300

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Mid-Michigan Branch 

1001 Fairfield Dr.

Mt. Pleasant, MI 48858

Phone:             (989) 773-3146

Fax:                  (989) 772-6060

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Southern Michigan Branch 

49 S. Cass Street, Suite 3A

Battle Creek, MI 49037

Phone:             (269) 979-4316

Fax:                  (269) 979-2714

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Southwest Michigan Branch 

5048 Lovers Lane

Portage, MI 49002

Phone:             (269) 382-0947

Fax:                  (269) 382-5768

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