(361) 852-2200 br br HOLT CAT Corpus Christi br br HOLT CAT Corpus Christi sells the entire line of CAT Excavators. Call HOLT CAT Corpus Christi at (361) 852-2200 or visit the HOLT CAT Corpus Christi mini excavators web page. br br Your Texas Heavy Equipment & Engine Dealer. HOLT CAT is the authorized dealer for Caterpillar machines and engines in 118 counties in Texas.