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Insights

Membrane Expertise SPI specializes in membrane technology for water and wastewater treatment, presenting an opportunity to cross-sell advanced filtration solutions, pilot testing services, and process optimization to municipal and private sector clients seeking cutting-edge treatment units.

Small Firm Reach With a lean team of 2-10 employees, SPI may benefit from scalable, high-margin consulting engagements, partnerships, and subcontracting opportunities with larger engineering firms or technology providers to expand project capacity.

Global Experience An international reputation in membrane applications positions SPI to pursue geographically diverse projects, including retrofit and expansion work for utilities and private operators exploring energy-efficient and membrane-based upgrades.

Low Revenue, High Potential Current revenue is under one million, signaling upside from strategic account development, recurring O&M manual services, and maintenance planning contracts with agencies and private operators seeking ongoing support.

Tech Stack Fit Existing tools and platforms (Microsoft ecosystem, data visualization, and web/communication tools) align with project documentation, monitoring, and reporting needs, enabling efficient delivery of design, pilot studies, and construction administration services.

Separation Processes, Inc. Tech Stack

Separation Processes, Inc. uses 8 technology products and services including Microsoft 365, Chart.js, jQuery, and more. Explore Separation Processes, Inc.'s tech stack below.

  • Microsoft 365
    Email
  • Chart.js
    Javascript Graphics
  • jQuery
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • Microsoft Office
    Office Suites
  • Microsoft Word
    Office Suites
  • Contact Form 7
    Web Platform Extensions
  • jQuery Validation Plugin
    Web Tools And Plugins

Separation Processes, Inc.'s Email Address Formats

Separation Processes, Inc. uses at least 1 format(s):
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?

Minus sign iconPlus sign iconSeparation Processes, Inc.'s official website is spi-engineering.com and has social profiles on LinkedIn.

How much revenue does Separation Processes, Inc. generate?

Minus sign iconPlus sign icon As of August 2026, Separation Processes, Inc.'s annual revenue is estimated to be <$1M.

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

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

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

Minus sign iconPlus sign iconAs of August 2026, Separation Processes, Inc. has approximately 2 employees across 2 continents, including North AmericaAsia. Key team members include Co-Owner: J. I.Engineer - Spi: G. H.. Explore Separation Processes, Inc.'s employee directory with LeadIQ.

What industry does Separation Processes, Inc. belong to?

Minus sign iconPlus sign iconSeparation Processes, Inc. operates in the Civil Engineering industry.

What technology does Separation Processes, Inc. use?

Minus sign iconPlus sign iconSeparation Processes, Inc.'s tech stack includes Microsoft 365Chart.jsjQueryjQuery MigrateMicrosoft OfficeMicrosoft WordContact Form 7jQuery Validation Plugin.

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

Minus sign iconPlus sign iconSeparation 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?

Minus sign iconPlus sign iconSeparation 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

Website
spi-engineering.com
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

Section iconFunding & Financials

  • <$1M

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

Company Leadership

  • Stylized image of a person
    J. I.
    Co-Owner
    Phone icon
    Mobile Phone
  • Stylized image of a person
    G. H.
    Engineer - Spi
    Phone icon
    Mobile Phone

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