MSP SignalBETA
Company record · observed Oct 5, 2026 · confidence 67%
UnclaimedIT consultingFounded 201830 staffLocal
S3I Engineering logo

S3I EngineeringIT service provider profile · Lexington Park, MD

Lexington Park, MD · locals3iengineering.com ↗(301) 861-6090
Ownership: IndependentPublic: NoTicker: ––Acquisition: ––Closed: ––
MSP score · confidence 67%
48.0OF 100
30-day change: –– · 1 of 4 change types in 180 days
National rank#22,580of 45,545 · top 50%
MD#732of 1,396 · top 53%
Lexington Park#8of 8 · top 100%
Security headers FHosting ApacheDomain 8 yrsNAICS 541511

MSP Signal ranks S3I Engineering #22,580 of 45,545 IT service providers nationally. S3I Engineering is an IT service provider in Lexington Park, MD, founded 2018, with 30 staff. It offers Systems Integration, Cybersecurity, IT consulting.

Source: MSP Signal, S3I Engineering company profile, Oct 5, 2026, https://mspsignal.com/msp/s3i-engineering

01

Score breakdown

5 pillars · weighted · 48.0 / 100
Reputation30%
67/100
Lifted by more Google reviews and a higher rating.
Presence25%
47/100
Lifted by a stronger website and public profiles.
Credibility20%
26/100
Lifted by a fuller record: services, credentials, pricing.
Scale15%
55/100
Lifted by team size.
Momentum10%
25/100
Lifted by more kinds of change in 180 days.
How the score works
Weighted contribution · how 48.0 is builtscore × weight = points
48.0of 100 · 52.0 unearned
0255075100
PillarScore / 100WeightPoints
Reputation
×30%20.2
Presence
×25%11.7
Credibility
×20%5.3
Scale
×15%8.3
Momentum
×10%2.5
▲ Momentum yields the fewest points per weight, the pillar with the most headroom.
30-day score Δ–no comparable history
30-day rank Δ–no comparable history
Change types · 180 d1 / 4momentum 25
Local rivals · 25 mihow chosen
5 mi15 mi25 mi1 provider in this cell1 provider in this cell1 provider in this cell1 provider in this cell1 provider in this cell1 provider in this cell2 providers in this cell2 providers in this cell3 providers in this cell4 providers in this cell43 providers in this cellS3I ENGINEERINGPROVIDERS PER CELL143
60 IT service providers within 25 miBasemap © Esri, HERE, Garmin, OpenStreetMap contributors
Claim · free · local benchmarkPreview
rivals by score band · gap to nearest higher / lower · counts, locked rows are previews, not published facts
02

Signal feed

1 events · 26 wks ending Oct 5, 2026
Activity · returned samplelatest week: 1 event
Counts the returned sample; empty weeks do not prove complete monitoring coverage.
Oct 5, 2026
Hiring SurgeOpen Job Count: 0 to 2
medium
Signal planSignal plan · full rival watch: every change at every nearby rival.See the Signal plan
03

Reputation

Google · 0 reviews
–
Listing: S3I Engineering · Corporate office · Maps ↗review velocity: 0 in the last 365 days
Star distribution: ––
What reviewers mention
––
Listings
––
Sentiment––
HoursMon–Fri 9 AM to 5 PM · Sat–Sun closed
Other sources · BBB: –– · Facebook rating: ––
04

Services and offer

from their site
SSystems Integration
Cybersecurity
IT consulting
OOperational Support
Industries
GovernmentDefenseDod
Availability
No 24/7 claim on their site
Guarantees
––
Compliance
––
Works with
––
Partners
––
05

Web & search

MSPSIG.RPT search scan · technical record
Organic visits–/ month est.
Domain authority–/ 100
Top keywords · position
Organic keywords, top keywords, backlinks, referring domains and paid search: Signal plan. Owners see their own.
Website technology
ApplepayAWS Route 53Microsoft Office 365
▸ Open technical record · web maturity 67 / 100
Reviews0/10
Socials5/10
Longevity5/10
Email Auth15/15
Site Depth10/10
Brand Assets5/5
unmeasured components: seo, pricing, blog
Performance · SEO · Accessibility68 · 92 · 96
Email authSPF · DKIM · DMARC p=quarantine
CDN––
HostingApache
Blog––
Subdomains1
Security headersF
06

Record & location

HQ
5 mi10 miHQMap of S3I Engineering headquarters in Lexington ParkHeadquartersBasemap © Esri, HERE, Garmin, OpenStreetMap contributors
S3I Engineering website snapshot
Website
Location
46650 Corporate Dr, Lexington Park, MD 20653
Founded
2018
Staff
30 staff · national median 10
Languages
––
Annual revenue
$1M to $10M · range · exact estimate on the Signal plan
NAICS
541511
Also from
––
States served
––
Headcount change
––
07

People & hiring

10 tracked · 2 leaders
Staff by department
––
Hiring · 2 open roles
2job postings in 90 days
Systems Engineer II
cloud_infra · Lexington Park, Maryland
Systems Engineer I
cloud_infra · Lexington Park, Maryland
Careers page ↗ · jobs observed via Bamboohr · 2 postings shown, not a directory
08

Recognition, news & about

public sources
Awards & rankings
––
Peer mentions in 90 days: 0 · BBB: ––
In the news
Hyatt Commercial Leases 8,400 SF Office Space to S3I Engineering in Lexington Park, MD
Apr 22, 2026 · citybiz
About––
Leadership
2 leaders named
0 joined and 0 left in 90 days
names, titles and people moves on the Signal plan
Service areas
––
Partner badge
––
09

What they say about themselves

site quotations · unconfirmed
Site quotations: ––up to three quotations per category
10

Frequently asked questions

reuses public facts · FAQ schema
Where is S3I Engineering located?

46650 Corporate Dr, Lexington Park, MD 20653.

How many people work at S3I Engineering?

S3I Engineering has 30 staff.

What services does S3I Engineering offer?

Systems Integration, Cybersecurity, IT consulting, Operational Support.

How does S3I Engineering rank among IT providers in Lexington Park?

#8 of 8 observed providers in Lexington Park; #22,580 of 45,545 nationally.

Is S3I Engineering claimed on MSP Signal?

Not claimed.

Claimed · not shown (unclaimed) · Verified data · conditional on field sources · Registered entity · conditional on legal-entity nameLast observed Oct 5, 2026 · Citation: S3I Engineering company profile · https://mspsignal.com/msp/s3i-engineering
Correct this recordClaim this company