Insights

Established Industry Presence Waldemar S. Nelson & Co., Inc. has over five decades of experience in the oil and gas sector, with proven capabilities to deliver complex projects in the US and internationally. This longstanding reputation suggests reliability and deep industry knowledge, making them a potential partner for clients seeking experienced engineering and project management services.

Comprehensive Services The company offers end-to-end engineering solutions, from conceptual design to start-up and ongoing support, emphasizing long-term client relationships. Such integrated service offerings present opportunities to upsell maintenance, training, and regulatory consulting to existing clients or to attract new clients seeking full lifecycle project management.

Strong Leadership Promotions Recent leadership promotions across the civil, environmental, and architectural departments indicate internal growth and stability. This demonstrates a focus on strengthening key teams, which can be leveraged to position the company as a reliable provider for large-scale and complex infrastructure projects within the oil and gas industry.

Modern Technology Stack NELSON employs current technology platforms including cloud solutions and cybersecurity tools, suggesting a modern approach to project design and data security. This technological competence makes them well-positioned to handle technologically complex projects or clients with strict data security requirements.

Growth Potential in Niche Markets With a revenue range of 100M-250M and a dedicated professional staff, NELSON is well-placed to target mid-sized projects within the oil and gas industry, especially those requiring custom engineering services, sustainable project solutions, or projects in need of regulatory compliance expertise, opening avenues for expanding client engagement in niche markets.

Waldemar S. Nelson & Co., Inc. Tech Stack

Waldemar S. Nelson & Co., Inc. uses 8 technology products and services including Drupal, instant.page, jQuery, and more. Explore Waldemar S. Nelson & Co., Inc.'s tech stack below.

  • Drupal
    Content Management System
  • instant.page
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Heap
    Mobile Analytics
  • Windows Server
    Operating Systems
  • Microsoft Azure
    Platform As A Service
  • PHP
    Programming Languages
  • X-XSS-Protection
    Security

Media & News

Waldemar S. Nelson & Co., Inc.'s Email Address Formats

Waldemar S. Nelson & Co., Inc. uses at least 1 format(s):
Waldemar S. Nelson & Co., Inc. Email FormatsExamplePercentage
First.Last@wsnelson.comJohn.Doe@wsnelson.com
97%
FLast@wsnelson.comJDoe@wsnelson.com
2%
Fir.Last@wsnelson.comJoh.Doe@wsnelson.com
1%

Frequently Asked Questions

What is Waldemar S. Nelson & Co., Inc.'s phone number?

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You can contact Waldemar S. Nelson & Co., Inc.'s main corporate office by phone at . 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 Waldemar S. Nelson & Co., Inc.'s official website and social media links?

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Waldemar S. Nelson & Co., Inc.'s official website is wsnelson.com and has social profiles on LinkedIn.

How much revenue does Waldemar S. Nelson & Co., Inc. generate?

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As of December 2025, Waldemar S. Nelson & Co., Inc.'s annual revenue is estimated to be $59M.

What is Waldemar S. Nelson & Co., Inc.'s SIC code NAICS code?

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Waldemar S. Nelson & Co., Inc.'s SIC code is 8712 - Architectural Services NAICS code is 211 - Oil and Gas Extraction.

How many employees does Waldemar S. Nelson & Co., Inc. have currently?

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As of December 2025, Waldemar S. Nelson & Co., Inc. has approximately 214 employees across 2 continents, including North AmericaAsia. Key team members include Chief Financial Officer: J. L.Vice President - Manager Of Civil And Environmental Engineering: B. R.Vice President And Manager Of Control Systems And Electrical Engineering: R. G.. Explore Waldemar S. Nelson & Co., Inc.'s employee directory with LeadIQ.

What industry does Waldemar S. Nelson & Co., Inc. belong to?

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Waldemar S. Nelson & Co., Inc. operates in the Oil and Gas industry.

What technology does Waldemar S. Nelson & Co., Inc. use?

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Waldemar S. Nelson & Co., Inc.'s tech stack includes Drupalinstant.pagejQueryHeapWindows ServerMicrosoft AzurePHPX-XSS-Protection.

What is Waldemar S. Nelson & Co., Inc.'s email format?

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Waldemar S. Nelson & Co., Inc.'s email format typically follows the pattern of First.Last@wsnelson.com. Find more Waldemar S. Nelson & Co., Inc. email formats with LeadIQ.

When was Waldemar S. Nelson & Co., Inc. founded?

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Waldemar S. Nelson & Co., Inc. was founded in 1945.

Waldemar S. Nelson & Co., Inc.

Oil and GasLouisiana, United States201-500 Employees

For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S. and abroad for industrial, governmental, and private clients.

Our professional staff of over 300 engineers, architects, scientists, designers, drafters, construction managers and support personnel blend hundreds of years of aggregate experience with today's technology in addressing your needs.

Technical quality is the foundation of our practice, and the long-term stability of our staff insures the talent necessary to achieve this goal.  Data security and communication are enhanced by our redundant servers and fiber optic links between our New Orleans and Houston offices and remote data centers.

Providing complete engineering services enables Waldemar S. Nelson and Company, Inc. ( NELSON ) to work with our clients from the earliest conceptual stage of a project through start-up, bearing total project management responsibility or assisting only in specific phases, depending on the requirements of the individual client. The firm has demonstrated the proven ability to tailor these services and our project teams to address the unique requirements of each project.

Our services go beyond design or start-up. We cherish the life-of-the-plant relationships we share with many of our clients, often dating back twenty years or more. We are proud of the quality service we provide and offer continued support in the form of training, regulatory affairs, software development, and process upgrades throughout the life of the facility.

To our clients, past and present, we would like to extend our appreciation for your continued confidence in our firm. To those of you who are unfamiliar with NELSON, we hope to meet you and further discuss how we may be of service to you in the successful completion of your next project.

Section iconCompany Overview

Phone number
SIC Code
8712 - Architectural Services
NAICS Code
211 - Oil and Gas Extraction
Founded
1945
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    Waldemar S. Nelson & Co., Inc.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Waldemar S. Nelson & Co., Inc.'s revenue is estimated to be in the range of $100M$250M

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