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Site Preparation & Civil
Clearing, grading, excavation, utility support, pad preparation, access work, and the field coordination required to keep a project moving.
Gilbert, Arizona • Nationwide + Puerto Rico
Built to move projects forward.
KBN Investments brings three decades of construction, aggregate, ready-mix, and operating experience to site development, material supply, and rapid-response field execution.
30+Years in construction
$80M+Completed contracts
150Employees at peak
5+States + Puerto Rico
Capabilities
Heavy-civil execution with owner-operator experience.
KBN's core disciplines are grounded in decades of operating construction crews, gravel pits, ready-mix facilities, and development projects—not management from a distance.
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Aggregate & Ready-Mix
Decades of ownership and operating experience in ready-mix plants and gravel pits, with practical knowledge of production, logistics, and material delivery.
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Land Development
Subdivisions, commercial yards, and build-to-suit development from raw land through infrastructure, site preparation, and finished lots.
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Disaster Response Support
Rapid mobilization for temporary housing programs, including site preparation, pads, utility coordination, logistics, and deployment support.
President / OwnerRichard Sargent
Three decades in construction, concrete, aggregates, development, and field operations.
Leadership
Operating experience measured in crews, plants, and completed work.
Richard Sargent has spent 30 years working in and owning construction and concrete companies, growing small crews into substantial field operations.
- ✓Founded and grew Triple B Construction in Williston, North Dakota from 3 employees and $75K revenue to approximately 150 employees and $20M annual revenue, including multiple gravel pits and ready-mix plants, before selling in 2014.
- ✓Operations Manager, J3 Advanced Engineering — oversaw 70+ employees across ready-mix, sand, and gravel operations with approximately $25M in annual revenues.
- ✓Owner, Rhino Ready Mix — ready-mix operations in Williston, North Dakota and Chandler, Arizona, operated by the Sargent family.
- ✓Puerto Rico concrete home construction — 14 homes completed for major contractors, with production capability built around Symons forming systems.
Our Officers
A compact leadership team built around execution.
KBN combines field operations, administration, partner coordination, and legal oversight in a direct, accountable structure.
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Richard Sargent
President
Founder and owner with 30 years in construction and concrete. Richard leads strategy, operations, major partnerships, and project execution.
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Amanda Sargent
Secretary
Amanda oversees corporate administration and records for KBN while managing day-to-day operations of the family's Rhino Ready Mix division in Williston, North Dakota.
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John Grealish
Vice President
John supports project coordination, partner relationships, operational planning, and KBN's continued expansion into new markets and programs.
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Richard Grealish
Corporate Counsel
Richard advises KBN on contracts, compliance, and corporate governance, supporting disciplined execution across bids, agreements, and partnerships.
General line: (774) 465-9557
Track Record
Selected contract history.
A sample of work spanning energy-region development, commercial construction, subdivisions, municipal work, and disaster housing.
$18.5M
TDS Motel
2018$9.75M
Surani Motel
2016$6.2M
Sorenson Subdivision
2017$5.7M
Disaster Housing — Lake Charles
2019$5.2M
Jump Zone Trampoline Park
2017$5.0M
FTS Buildings & Yard
2013$4.1M
Fendee Estates
2014$3.25M
Case IH Dealership
2015Additional completed work includes NOV Tuboscope ($2.7M), Johnny Bird Convention Center ($2.95M), disaster housing in Beaumont, TX ($3.15M), Alamo Fire Department ($1.65M), and ongoing Puerto Rico Housing Commission work ($2.8M, current).
Operating Footprint
Built by following the work.
Headquartered in Gilbert, Arizona, with operating history and relationships across multiple U.S. regions and Puerto Rico.
ArizonaGilbert headquarters; ready-mix operations in Chandler
North DakotaWilliston; Bakken construction, aggregate, and concrete roots
Texas & Gulf CoastDisaster housing and construction activity
Puerto RicoConcrete home construction and ongoing project activity
Southeast U.S.Temporary disaster shelter and field support opportunities
Regional reach
Local execution. Multi-state capability.
KBN's operating history spans different markets, logistics environments, and project types—supporting fast deployment where field capacity is needed.
Start a conversation
Put three decades of field experience on your next project.
For site preparation, aggregate and ready-mix opportunities, development work, or disaster-response mobilization, contact KBN directly.