Ranked #1 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
12 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Byram: Trevac LLC, CR Score 62/100; 5.0★ from 98 Google reviews; open 24/7.
Best for emergencies (open 24/7): Dier's Vacuum Truck Service, posts 24/7 hours; ranked #2 of 12.
Most-reviewed: DrainGo of Mississippi LLC., 1,375 Google reviews at 4.6★, the most of 12 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Byram septic service companies are ranked here by CR Score, from ten published factors. 6 are open 24/7, 7 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 12 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Trevac LLC | 62 | 5.0★ (98) | Jackson, 4 mi away | 24/7 | Overall |
| 2 | Dier's Vacuum Truck Service | 61 | 4.7★ (43) | Byram | 24/7 | Emergencies |
| 3 | 21 Flushes Septic Service | 58 | 5.0★ (24) | Jackson, 10 mi away | 24/7 | — |
| 4 | Gotta Go Site Service Rentals | 57 | 4.8★ (107) | Jackson, 22 mi away | 24/7 | — |
| 5 | America's Pride Septic | 54 | 5.0★ (5) | The Woodlands, 14 mi away | 24/7 | — |
| 6 | Hillard's Septic Tank & Grease Trap Service | 53 | 4.4★ (18) | Brandon, 13 mi away | — | — |
| 7 | Lacey's Digging Services | 52 | 4.3★ (38) | Flowood, 10 mi away | — | — |
| 8 | Jackson Plumbing and Drain Services | 51 | 4.3★ (31) | Jackson, 6 mi away | 24/7 | — |
| 9 | Seal Digging Service | 51 | 4.3★ (24) | Jackson, 12 mi away | — | — |
| 10 | DrainGo of Mississippi LLC. | 51 | 4.6★ (1,375) | Ridgeland, 18 mi away | — | Most reviews |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Byram
Ranked #2 because of its Google rating and trade focus: 4.7★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jackson, 10 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jackson, 22 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in The Woodlands, 14 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.4★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Flowood, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.3★ from 38 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jackson, 6 mi away
Ranked #8 because of its Google rating and availability: 4.3★ from 31 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jackson, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ridgeland, 18 mi away
Ranked #10 because of its Google rating and review volume: 4.6★ from 1,375 Google reviews, the most in Byram.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flowood, 12 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 64 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jackson, 7 mi away
Ranked #12 because of its Google rating and trade focus: 3.8★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
We scored 12 Byram septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Byram data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |