Call & Nicholas: Detailed Company Information & Corporate Profile
Summary
Call & Nicholas was established in 1980 and is headquartered in Tucson, Arizona. The independent firm specializes in mining‑related geotechnical solutions.
Its technical portfolio spans geological engineering, slope stability analysis, rock mechanics, hydrogeology, and open‑pit/underground mining evaluations. The company offers laboratory testing, instrumentation, monitoring—including piezometers, TDR cables, goniometers, extensometers, prisms, telltale units—and blast vibration surveillance. Advanced geomechanical modeling, block and geology modeling, and proprietary geotechnical software development underpin its service delivery.
With a workforce of 100–200 professionals, Call & Nicholas reports annual revenue between $50 million and $100 million. Leadership includes President Robert Pratt and Vice Presidents Scott Cylwik, Robert Cook, Nick Asbury, alongside engineers such as Michael Raffaldi and Jacob Sauceda. The firm operates under SIC code 6500 in the Sierra Vista‑Douglas Metropolitan Area.
| Call & Nicholas Website | cnitucson.com |
| Social Links |    |
| Phone Number | 5206709774 |
| Industries | |
| Call & Nicholas Headquarters Address | 2475 N Coyote Dr, Tucson, Arizona, 85745 US |
| Company Size | 100-200 employees |
| Specialities & Services | Geological Engineering, Slope Stability Analysis, Rock Mechanics, Geotechnical Engineering, Hydrogeology, Slope Monitoring, Waste Dump Design, Geomechanical Rock and Soils Laboratory Testing , Piezometer Installation , TDR Cable Drill Hole Installation, Goniometers, Manual Extensometers, Slope Stabililty Prisms and Prism Targets, Open Pit Mining Evaluations, Underground Mining Evaluations, Geotechnical Software Development, Geotechinal Instrumentation and Blast Vibration Monitoring, Underground displacement monitoring with telltale units, Block Modeling, Geology Modeling, Geotechnical Block Modeling |
| SIC Code | 6500 |
| DMA Code | Sierra Vista-douglas Metropolitan Area |
| Founded | 1980 |
| Estimated Annual Revenue | $50M - 100M |
| Operating Status | Independent Company |
| Updated: | 2026-10-15 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2001 | Privately Held | 5000-10000 | |
| 2010 | Privately Held | 100-200 |
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Call & Nicholas's workforce includes employees across a wide range of tenure levels.
13% have been with the company for 1 to 2 years13% have been with the company for 3 to 4 years20% have been with the company for 5 to 7 years7% have been with the company for 8 to 10 years47% have been with the company for more than 11 years
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Call & Nicholas Corporate Information: FAQ
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