Certified Women-Owned Oil and Gas Pipeline and Related Structures Construction in Arizona

IDIQ Multi Discipline Prime General Contractor, Self Performing, Renovations, New Construction, Site Work, Landscape, Xeroscape, Utilities, Sewer, Water Lines, Roads, Design Build, Value Engineering.

Providing engineering design, equipment and R&D for the lubricating grease, petrochemical, and chemical, asphalt shingle manufacturing industries. Product Formulation & Development Custom Equipment/Process Design & Development Engineering Studies & Assessments: Feasibility Studies Reliability & Process Troubleshooting Engineering Design: Concept-Phase Design & Services Process-Oriented Design Detailed Design & Services Post-Construction/Installation Assistance & Training Services: Facility Commissioning Process Start-Up Maintenance Training Project Planning & Scheduling Project Management Consulting Available On-Site, In-Office, and/or Remotely

Southwestern Dakotah, Inc. is a specialized Federal Commercial General Contractor that is also Native American-owned, woman-owned small business (WOSB) proudly classified as a Small Business (SB) under U.S. Small Business Administration (SBA) standards. Based in Tucson, Arizona, we bring a wealth of expertise and dedication to every project, emphasizing quality, reliability, and a commitment to diversity in government contracting. SPECIALIZING IN: GENERAL BUILDING CONSTRUCTION AND RENOVATION, DESIGN-BUILD CONSTRUCTION, MECHANICAL (HVAC & PLUMBING), FIRE PROTECTION, SPECIALITY PIPING, REPAIR & REPLACEMENT OF UNDERGROUND UTILITIES, & NEW CONSTRUCTION.

Civil construction

Heavy Civil Contractor -Asphalt & PCCP paving. We place curb/gutter, sidewalk, and misc concrete structures. We perform grading and AB placement. We perform rubber and paint removal and pavement markings. We have an AASHTO/COE accredited lab and perfom field & lab testing of construction matls.

Customer originated/flexible/responsive/solution providing; tenant improvement and facilities maintenance contractor with a quality product and a can do attidude. Most customers have utilized our services for over 5 years. Also supply material/products.

Nicklaus Engineering, Inc (NEI) maintains the tradition of a full-service A&E firm providing Civil Engineering, Architecture, Survey, Environmental Engineering, Special Inspections, and Geotechnical Engineering services.