Insights

Specialized water tech Target municipal and private water treatment clients seeking advanced membrane solutions such as microfiltration, ultrafiltration, nanofiltration, and reverse osmosis to improve treatment efficiency and regulatory compliance.

Global expertise niche Position SPI as a boutique engineering partner with international project experience in membrane applications, offering high-touch services from pilot studies to construction administration to win high-value contracts.

Full-service offerings Leverage SPI’s end-to-end capabilities including training, O&M manuals, procurement, process optimization, planning, and design to bundle services for agencies seeking turnkey project delivery and long-term support.

Growth with small firm agility Emphasize cost efficiency, fast decision cycles, and hands-on senior engineering leadership typical of a small firm to attract clients seeking responsive partners with deep process knowledge.

Digital presence and credibility Highlight the firm’s established track record and ongoing expertise in membrane technology on the website to generate referrals, proposals, and credibility with procurement teams in public and private sectors.

Similar companies to Separation Processes, Inc.

Separation Processes, Inc. Tech Stack

Separation Processes, Inc. uses 8 technology products and services including WordPress, Microsoft 365, Font Awesome, and more. Explore Separation Processes, Inc.'s tech stack below.

  • Content Management System
  • Font Awesome
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • ProgressBar.js
    Javascript Libraries
  • Microsoft Word
    Office Suites
  • Priority Hints
    Performance
  • Essential Grid
    Web Tools And Plugins

Separation Processes, Inc.'s Email Address Formats

Separation Processes, Inc. uses at least 3 email formats:
Separation Processes, Inc. Email FormatsExamplePercentage
FLast@spi-engineering.comJDoe@spi-engineering.com
82%
FirstL@spi-engineering.comJohnD@spi-engineering.com
9%
F.Last@spi-engineering.comJ.Doe@spi-engineering.com
9%

Frequently Asked Questions

What is Separation Processes, Inc.'s official website and social media links?

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Separation Processes, Inc.'s official website is spi-engineering.com and has social profiles on LinkedIn.

How much revenue does Separation Processes, Inc. generate?

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As of September 2026, Separation Processes, Inc.'s annual revenue is estimated to be <$1M.

What is Separation Processes, Inc.'s SIC code and NAICS code?

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Separation Processes, Inc.'s SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Separation Processes, Inc. have currently?

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As of September 2026, Separation Processes, Inc. has approximately 2 employees across 2 continents, including North America and Asia. Key team members include Co-Owner: J. I. and Engineer - Spi: G. H. Explore Separation Processes, Inc.'s employee directory with LeadIQ.

What industry does Separation Processes, Inc. belong to?

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Separation Processes, Inc. operates in the Civil Engineering industry.

What technology does Separation Processes, Inc. use?

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Separation Processes, Inc.'s tech stack includes WordPress, Microsoft 365, Font Awesome, jQuery Migrate, ProgressBar.js, Microsoft Word, Priority Hints and Essential Grid.

What is Separation Processes, Inc.'s email format?

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Separation Processes, Inc.'s email format typically follows the pattern of FLast@spi-engineering.com. Find more Separation Processes, Inc. email formats with LeadIQ.

When was Separation Processes, Inc. founded?

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Separation Processes, Inc. was founded in 1980.
Separation Processes, Inc. logo

Separation Processes, Inc.

Civil EngineeringCalifornia, United States2-10 Employees

Separation Processes, Inc. (SPI) is a civil engineering consultancy based in Carlsbad, California, founded in 1980. The firm specializes in applying membrane technology and related advanced processes to water and wastewater treatment, offering services across project stages from pilot studies and planning to design, construction administration, and operations documentation. Its client base includes public and private agencies seeking reliable, high-quality engineering support aimed at optimizing treatment processes and monitoring performance. SPI emphasizes excellence in its work and is positioned within the water treatment sector as a specialist in filtration and membrane-based solutions, drawing on extensive experience to support project success. The company operates with a small team and maintains an international scope through its engineering expertise and project delivery capabilities. There was a recent note of industry context listing peer firms in the water technology space, underscoring SPI’s focused positioning among other established players in membrane and advanced water treatment technologies.

Section iconCompany Overview

SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1980
Employees
2-10

Section iconFunding & Financials

  • <$1M

    Separation Processes, Inc.'s revenue is estimated to be in the range of <$1M

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