Insights

Regional footprint Established civil engineering and planning expertise across multiple California locations (Visalia HQ plus Bakersfield, Porterville, Clovis, Hanford, Merced), indicating opportunities for expansion of services, local project support, and cross-office collaboration.

Integrated services Five core domains combining engineering design, construction management, survey and GIS, urban design and landscape, biology and environmental permitting, and planning create cross-sell potential for multi-discipline infrastructure projects and regulatory navigation.

Project focus Long-standing track record since 1972 in managing challenging infrastructure projects for California clients suggests familiarity with complex permitting, funding, and regulatory processes—positions QK as a trusted partner for large, multi-year initiatives.

Talent development Commitment to employee training, professional development, and licensed staff supports scalable staffing for larger engagements and can be leveraged to offer turnkey teams with specialized approvals and certifications.

Growth readiness Diverse service lines and regional presence align with opportunities in public sector infrastructure funding cycles, environmental permitting, and urban design mandates, enabling targeted pitches for upcoming California infrastructure programs.

Similar companies to QK

QK Tech Stack

QK uses 8 technology products and services including WooCommerce, JSON-LD, jQuery Migrate, and more. Explore QK's tech stack below.

WooCommerce
E-commerce
JSON-LD
Javascript Frameworks
jQuery Migrate
Javascript Libraries
Cloudflare Bot Management
Security
Bootstrap
UI Frameworks
Vimeo
Video Players
Apache HTTP Server
Web Servers
Apache
Web Servers

Media & News

QK's Email Address Formats

QK uses at least 2 format(s):

QK Email Formats	Example	Percentage
FirstL@quadknopf.com	JohnD@quadknopf.com	93%
Last@quadknopf.com	Doe@quadknopf.com	5%
FLast@quadknopf.com	JDoe@quadknopf.com	1%
First@quadknopf.com	John@quadknopf.com	1%
First.Last@qkinc.com	John.Doe@qkinc.com	74%
F.Last@qkinc.com	J.Doe@qkinc.com	12%
Last@qkinc.com	Doe@qkinc.com	11%
First@qkinc.com	John@qkinc.com	3%

Frequently Asked Questions

Where is QK's headquarters located?

QK's main headquarters is located at 901 East Main Street Visalia, California 93292 United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is QK's phone number?

You can contact QK's main corporate office by phone at

+1-559-449-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is QK's stock symbol?

QK is a publicly traded company; the company's stock symbol is QK.

What is QK's official website and social media links?

QK's official website is qkinc.com and has social profiles on LinkedIn.

What is QK's NAICS code?

QK's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does QK have currently?

As of June 2026, QK has approximately 255 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Cfo/ Coo: A. A.Vice President Of Business And Operations: A. A.Director Of Community Development & Infrastructure Financing: J. Q.. Explore QK's employee directory with LeadIQ.

What industry does QK belong to?

QK operates in the Civil Engineering industry.

What technology does QK use?

QK's tech stack includes WooCommerceJSON-LDjQuery MigrateCloudflare Bot ManagementBootstrapVimeoApache HTTP ServerApache.

What is QK's email format?

QK's email format typically follows the pattern of FirstL@quadknopf.com. Find more QK email formats with LeadIQ.

When was QK founded?

QK was founded in 1972.

QK

Q: What is QK's official website and social media links?

QK's official website is qkinc.com. QK has social profiles on LinkedIn.

Q: How many employees does QK have currently?

QK has approximately 255 employees.

Q: What technology does QK use?

QK's tech stack includes Slider Revolution, MySQL, JSON-LD, imagesLoaded, X-XSS-Protection.

Q: What is QK's NAICS code?

QK's NAICS code is 237 (Heavy and Civil Engineering Construction).

Civil EngineeringCalifornia, United States201-500 Employees

QK is a California-based civil engineering firm delivering multi-disciplinary services for infrastructure projects. Founded in 1972, it supports growth and development across the state. The company organizes its work around five integrated disciplines: engineering design and construction management; survey and GIS; urban design and landscape architecture; biology and environmental permitting; and planning. Headquartered in Visalia, it operates additional offices in Bakersfield, Porterville, Clovis, Hanford, and Merced. Its client base includes public and private sector projects facing California's regulatory, funding, and planning requirements, for whom QK acts as an experienced guide. As a mid-sized California firm, it emphasizes employee development through hands-on training, workshops, tuition reimbursement, and support for professional credentials, reflecting a commitment to quality and long-term capability.