White Mackillop & Gallant P.C. is a professional corporation of attorneys licensed to practice law in all State and Federal Courts in Texas. The firm's office is located in the Galleria area of Houston.

White Mackillop & Gallant P.C.'s primary focus is maritime defense, but the firm also handles defense litigation involving non-maritime personal injury and property damage, transportation, energy matters, commercial disputes, products liability, insurance and insurance coverage opinions, and contractual disputes.The firm's attorneys regularly represent clients in mediations and arbitrations. The firm's senior members have practiced together for over twenty years.