Valley contracting firms partner to pursue projects on tribal land

but do plan to focus on tribal land around the Phoenix metro. The joint venture is 51% Pimmex, which qualifies it as a Native American-owned firm, Munoz said. Land controlled by tribes around the …but do plan to focus on tribal land around the Phoenix metro. The joint venture is 51% Pimmex, which qualifies it as a Native American-owned firm, Munoz said. Land controlled by tribes around the …